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CVE-2021-34543 Details

Description

The web administration server in Solar-Log 500 before 2.8.2 Build 52 does not require authentication, which allows remote attackers to gain administrative privileges by connecting to the server. As a result, the attacker can modify configuration files and change the system status. Fixed with 3.0.0-60 11.10.2013 for SL 200, 500, 1000 / not existing for SL 250, 300, 1200, 2000, SL 50 Gateway, SL Base.

Metrics

CVSS 3.x Severity and Vector Strings:

NIST: [email protected]CVSS-B:7.5 HIGHVector:CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

References to Advisories, Solutions, and Tools

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URL	Source(s)	Tag(s)
https://drive.google.com/file/d/1z1TaANlDyX4SOP2vjNzkPQI3nETL9kZM/view?usp=sharing	CVE	ExploitThird Party Advisory
https://www.exploit-db.com/exploits/49986	CVE	ExploitThird Party AdvisoryVDB Entry
https://www.solar-log.com/en/support/firmware/	CVE	ProductRelease NotesVendor Advisory
https://drive.google.com/file/d/1z1TaANlDyX4SOP2vjNzkPQI3nETL9kZM/view?usp=sharing	[email protected]	ExploitThird Party Advisory
https://www.exploit-db.com/exploits/49986	[email protected]	ExploitThird Party AdvisoryVDB Entry
https://www.solar-log.com/en/support/firmware/	[email protected]	ProductRelease NotesVendor Advisory

see all 6 references

Weakness Enumeration

CWE-ID	CWE Name	Source
CWE-306	Missing Authentication for Critical Function	[email protected]

Affected Products

Product	Versions
bkw solar-log 500 firmware	<= 2.8.1 2.8.2 build_50
CPE cpe:2.3:o:bkw:solar-log_500_firmware:::::::: cpe:2.3:o:bkw:solar-log_500_firmware:2.8.2:build_50:::::: Remediation No remediation found in references.
bkw solar-log 500	All versions
CPE cpe:2.3:h:bkw:solar-log_500:-:::::::* Remediation No remediation found in references.

Change History

7 change records found show changes

Date	Action	Recorded By
Jun 17, 2026	CVE Modified	[email protected]
Nov 21, 2024	CVE Modified	CVE
Nov 11, 2024	CVE Modified	[email protected]
May 14, 2024	CVE Modified	[email protected]
Jul 12, 2022	CWE Remap	[email protected]
Dec 15, 2021	Reanalysis	[email protected]
Dec 9, 2021	Initial Analysis	[email protected]